1 | //
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2 | // Cforall Version 1.0.0 Copyright (C) 2018 University of Waterloo
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3 | //
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4 | // The contents of this file are covered under the licence agreement in the
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5 | // file "LICENCE" distributed with Cforall.
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6 | //
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7 | // VerifyCtorDtorAssign.cpp -- Check the form of operators.
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8 | //
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9 | // Author : Andrew Beach
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10 | // Created On : Mon Jul 4 10:26:00 2022
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11 | // Last Modified By : Andrew Beach
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12 | // Last Modified On : Mon Jul 12 11:26:00 2022
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13 | // Update Count : 0
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14 | //
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15 |
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16 | #include "VerifyCtorDtorAssign.hpp"
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17 |
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18 | #include "AST/Pass.hpp"
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19 | #include "CodeGen/OperatorTable.h"
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20 |
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21 | namespace Validate {
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22 |
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23 | namespace {
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24 |
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25 | struct VerifyCore {
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26 | void previsit( ast::FunctionDecl const * decl );
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27 | };
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28 |
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29 | void VerifyCore::previsit( ast::FunctionDecl const * decl ) {
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30 | // Skip any of the functions we are not checking.
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31 | // Should get contructors, destructors and all forms of assignment.
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32 | if ( !CodeGen::isCtorDtorAssign( decl->name ) ) {
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33 | return;
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34 | }
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35 |
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36 | if ( 0 == decl->params.size() ) {
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37 | SemanticError( decl->location, "Constructors, destructors, and assignment functions require at least one parameter." );
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38 | }
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39 | auto refType = decl->type->params.front().as<ast::ReferenceType>();
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40 | if ( !refType ) {
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41 | SemanticError( decl->location, "First parameter of a constructor, destructor, or assignment function must be a reference." );
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42 | }
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43 | if ( CodeGen::isCtorDtor( decl->name ) && 0 != decl->returns.size()
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44 | && !decl->returns.front()->get_type()->isVoid() ) {
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45 | SemanticError( decl->location, "Constructors and destructors cannot have explicit return values." );
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46 | }
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47 | }
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48 |
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49 | } // namespace
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50 |
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51 | void verifyCtorDtorAssign( ast::TranslationUnit & translationUnit ) {
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52 | ast::Pass<VerifyCore>::run( translationUnit );
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53 | }
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54 |
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55 | } // namespace Validate
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56 |
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57 | // Local Variables: //
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58 | // tab-width: 4 //
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59 | // mode: c++ //
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60 | // compile-command: "make install" //
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61 | // End: //
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